Acquisitions, Dispositions, Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]

Schedule of Goodwill [Table Text Block]

Changes in our goodwill balances for the nine months ended September 30, 2017 were as follows:

(Dollars in millions)	Balance as of January 1, 2017		Goodwill  Resulting from Business Combinations		Foreign Currency Translation and Other		Balance as of September 30, 2017
Otis	$	1,575	$	3	$	114	$	1,692
UTC Climate, Controls & Security	9,487		110		443		10,040
Pratt & Whitney	1,511		—		—		1,511
UTC Aerospace Systems	14,483		—		187		14,670
Total Segments	27,056		113		744		27,913
Eliminations and other	3		—		—		3
Total	$	27,059	$	113	$	744	$	27,916

Intangible Assets Disclosure [Table Text Block]

Identifiable intangible assets are comprised of the following:

	September 30, 2017					December 31, 2016
(Dollars in millions)	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Amortized:
Service portfolios	$	2,197	$	(1,531	)	$	1,995	$	(1,344	)
Patents and trademarks	401		(228		)	378		(201		)
Collaboration intangible assets	4,023		(342		)	3,724		(211		)
Customer relationships and other	13,323		(3,999		)	12,798		(3,480		)
	19,944		(6,100		)	18,895		(5,236		)
Unamortized:
Trademarks and other	2,111		—			2,025		—
Total	$	22,055	$	(6,100	)	$	20,920	$	(5,236	)

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The following is the expected amortization of intangible assets for the years 2017 through 2022, which reflects the pattern of expected economic benefit on certain aerospace intangible assets.

(Dollars in millions)	Remaining 2017		2018		2019		2020		2021		2022
Amortization expense	$	210	$	879	$	866	$	888	$	898	$	893